Fillers Method

This method is on par with the No-Sand Method in terms of quality of finish but is a slightly slower process. However, it is faster than hand-sanding or using a Dremel to post process your prints. Relevant PPE such as a mask and gloves should be used when utilising this method.

Summary

Category

Rating

Speed

★ ★ ★ ★ ☆

Finish Quality

★ ★ ★ ★ ☆

Materials

  • High-cover aerosol paint + primer (such as Rustoleum 2X)

  • Acrylic or enamel fast-drying spray putty (such as Superfine High Build Filler)

  • Isopropyl wipes or similar to clean parts

Method

  1. Ensure that your printed parts are clean and dry, wipe the parts down with Isopropyl wipes or a similar product and let dry.

  2. Begin by applying a thin coat of high-cover spray-putty to the parts. Note that the spray-putty may cause blotching to your surface if applied too thick or unevenly across your surface.

  3. Wait 30-45 minutes (or as instructed on bottle) between coats.

  4. Re-coat your parts a total of 3-5 times.

  5. Once you have applied all the necessary coats (according to how smooth you would like the finish of your surface) leave your parts to dry overnight. The spray-putty will fill up the gaps between the prints' layers and level your surface smoothly.

  6. Apply a medium coat of high-cover spray paint to your part.

  7. Wait 10 minutes between applying your paint coats.

  8. Repeat the painting process 3-5 times as necessary.

  9. Wipe your parts clean and you are ready to go.

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